the energy that they give me. i think this year at the olympics, i went out there and when i got there, there was so much people in the stands that early in the morning, i was so surprised. i was like -- every championship i've been to, it's been like a few hundred people. everybody just comes out, few people might come out and watch because they really like track and field but in london, early in the morning, everybody was out like it was full from the morning session. so for me, an energy i got in london was just wonderful. >> i was walking around london and all i could see were people going like this, everywhere. everyone wanted to be the bolt. >> a lot of that going on. >> is it the secret, because you jamaicans are flying down every track at the moment, winning everything, is the secret yams? is there something in the jamaican yam? >> i used to have a lot of yams. if it was one thing i wasn't short of growing up, it was yams. i don't eat yams that much now. i think i had too much when i was young. >> who are